diff --git a/argocd/prometheus-adapter/test/argocd_values.yaml b/argocd/prometheus-adapter/test/argocd_values.yaml
index d2cc362..5bb635d 100644
--- a/argocd/prometheus-adapter/test/argocd_values.yaml
+++ b/argocd/prometheus-adapter/test/argocd_values.yaml
@@ -1,6 +1,6 @@
 prometheus-adapter:
   prometheus:
-    url: http://prometheus.observability.svc
+    url: http://prometheus-server.observability.svc
 
   rules:
     resource: